What is STS202 Issue 3 : 2011?

The technical specification involves a variation of tests carried out to one of six resistance classes, which equate to different lengths of attack and types of tools. - BR1 and BR2 address the level of attack normally associated with casual or opportunist burglars, being loosely based on low risk domestic properties. - BR3 and BR4 address the level of attack associated with more practiced burglars prepared to make noise and take risks; these tests are based on medium risk commercial properties. - BR5 and BR6 cover professional type burglars with planned attacks using power tools and no regard to noise levels; these classes are designed to address high risk, high security properties.

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